There will also be numerous niche markets. Where a few (maybe just 1 or 2) go-to specialists operate. You talk to them, and they will build your [product that d

There will also be numerous niche markets. Where a few (maybe just 1 or 2) go-to specialists operate. You talk to them, and they will build your [product that didn't exist]. For you that product may seem "new". To those specialists, it may seem like variant #59 on something they've done for ages. Bottom line: "doesn't-exist-yet" is subjective & may be taken with a grain of salt. As an indicator: would the concept be obvious, or non-obvious to an expert in that field?